Posted by Paul (in NY) [12.64.146.226] on Monday, March 11, 2013 at 20:54:32 :
In Reply to: Re: Metalurgy question posted by bill in pa [98.103.102.50] on Monday, March 11, 2013 at 19:42:50 :
Bill is right on. Chris Craft used to do some really strange bends in 3 inch copper exhaust tube. They packed it with sand prior to bending.
Paul